Me"di*an (?), a. [L. medianus, fr. medius middle. See Medial.]
1.
Being in the middle; running through the middle; as, a median groove.
2. Zool.
Situated in the middle; lying in a plane dividing a bilateral animal into right and left halves; -- said of unpaired organs and parts; as, median coverts.
Median line. (a) Anat. Any line in the mesial plane; specif., either of the lines in which the mesial plane meets the surface of the body. (b) Geom. The line drawn from an angle of a triangle to the middle of the opposite side; any line having the nature of a diameter. -- Median plane Anat., the mesial plane. -- Median point Geom., the point where the three median lines of a triangle mutually intersect.
© Webster 1913.
Me"di*an, n. Geom.
A median line or point.
© Webster 1913.